Search a number
-
+
382272109 is a prime number
BaseRepresentation
bin10110110010010…
…000001001101101
3222122022102202021
4112302100021231
51240330201414
6101533230141
712321154642
oct2662201155
9878272667
10382272109
1118686776a
12a8032351
136127541b
1438aabdc9
1523860c24
hex16c9026d

382272109 has 2 divisors, whose sum is σ = 382272110. Its totient is φ = 382272108.

The previous prime is 382272091. The next prime is 382272127. The reversal of 382272109 is 901272283.

Together with previous prime (382272091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (382272091) and next prime (382272127).

It can be written as a sum of positive squares in only one way, i.e., 317018025 + 65254084 = 17805^2 + 8078^2 .

It is an emirp because it is prime and its reverse (901272283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-382272109 is a prime.

It is a super-2 number, since 2×3822721092 = 292263930638615762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382272139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191136054 + 191136055.

It is an arithmetic number, because the mean of its divisors is an integer number (191136055).

Almost surely, 2382272109 is an apocalyptic number.

It is an amenable number.

382272109 is a deficient number, since it is larger than the sum of its proper divisors (1).

382272109 is an equidigital number, since it uses as much as digits as its factorization.

382272109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 382272109 is about 19551.7802002784. The cubic root of 382272109 is about 725.7563942479.

The spelling of 382272109 in words is "three hundred eighty-two million, two hundred seventy-two thousand, one hundred nine".